The dark-green material= Poached Eggs' World 1 ground

Ground is a substance that makes up most of a level's structure. It is the only indestructible material in the game (Eggs and Rubber can be destroyed by the Mighty Eagle). Ground varies by shape and design between worlds. Ground can take the form of various shapes, such as Theme 1-3's "hill".

Ground in this Easter Eggs level has a checkered pattern.

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